Pith Number

pith:OW3UHO5O

pith:2026:OW3UHO5O7AXSSOM4SHO5XOHA6H

not attested not anchored not stored refs pending

The Symmetric Location Problem: a Song of Efficiency and Robustness

Stefano Fortunati

arxiv:2605.25870 v1 · 2026-05-25 · eess.SP · math.ST · stat.AP · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OW3UHO5O7AXSSOM4SHO5XOHA6H}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-26T02:05:16.118456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75b743bbaef82f29399c91dddbb8e0f1dbd75d7623df45e580ba604f7c5c574e

Aliases

arxiv: 2605.25870 · arxiv_version: 2605.25870v1 · doi: 10.48550/arxiv.2605.25870 · pith_short_12: OW3UHO5O7AXS · pith_short_16: OW3UHO5O7AXSSOM4 · pith_short_8: OW3UHO5O

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OW3UHO5O7AXSSOM4SHO5XOHA6H \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 75b743bbaef82f29399c91dddbb8e0f1dbd75d7623df45e580ba604f7c5c574e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1823d6f3350988cc38191446ee13e75ba30073fbea5c081a31f7aafddb0d83b0",
    "cross_cats_sorted": [
      "math.ST",
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-05-25T13:56:35Z",
    "title_canon_sha256": "71c65dc8a377fe63ddbd08f93fbb061e1c379615ef5133082a453aa4cb901304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25870",
    "kind": "arxiv",
    "version": 1
  }
}